Blanchester Ohio Climate Data

Monthly Average Climate Data for Blanchester Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.7 °F37.9 °F3.31 in.
February24.0 °F41.7 °F2.77 in.
March31.8 °F51.5 °F3.94 in.
April42.0 °F63.9 °F4.54 in.
May52.8 °F73.4 °F4.89 in.
June61.5 °F81.6 °F4.77 in.
July64.4 °F84.6 °F4.28 in.
August62.4 °F83.7 °F3.37 in.
September55.3 °F78.3 °F3.07 in.
October44.3 °F66.2 °F3.07 in.
November34.3 °F53.0 °F3.14 in.
December26.9 °F42.0 °F3.46 in.
Annual43.5 °F63.2 °F44.61 in.

Climate Data for Blanchester Ohio

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation